Beverage server



FIG. 1 is a right side elevational view of the beverage server incorporating the ornamental design; the side opposite is a mirror image;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan thereof. 

The ornamental design for a beverage server, as shown and described. 